JP2008148363A - Stator core with cast iron frame of main motor for vehicle - Google Patents

Abstract

[PROBLEMS] The processing flow of a stator frame is as follows: inner diameter machining of a portion where a stator core is inserted, welding with a stator core and a core core, distortion removal after welding, fitting to a carriage and fitting with each part. The procedure, such as the processing of the joint part, was complicated, and the production was complicated. By changing the configuration of the stator frame, it is possible to eliminate the processing complexity and provide a stator core and a stator frame with good productivity.
[Solution] By forming a stator frame of a cast product so as to cover the stator iron core, the processing procedure is assembling the iron core, casting the stator frame to the iron core assembly, removing the distortion, and attaching to the carriage This makes it possible to change to the procedure of machining parts and mating parts with each part, and constitutes a stator core with cast fixed frame that eliminates the complexity of machining.
[Selection] Figure 1

Description

  The present invention relates to a configuration of a stator core and a stator frame of a vehicle main motor.

  The structure of the stator core and the core frame consists of a structure in which the stator core, which is a stack of stacked stator core plates, is inserted into a stator frame in which the inner diameter portion into which the stator core is inserted is processed, It consists of the structure which welds the component of this stator frame to the outer diameter and side surface of a core core plate, and this state is shown by FIG.

  FIG. 2 is an explanatory view showing an example of the prior art, wherein 1 is an iron core plate, 2 is a stator frame, and 3 is an iron core restraint. In FIG. 2, an iron core assembly is formed by laminating a plurality of iron core plates 1 and fastening them with a fastening jig or the like. This iron core assembly is inserted into the stator frame 2 in which the inner diameter portion into which the iron core assembly is to be inserted is processed, and then the iron core restraint 3 is inserted. After that, the stator frame, iron core assembly, and iron core restraint are welded to form an integrated product.

Japanese Patent Laid-Open No. 54-15104, FIG.

However, such a configuration has the following problems.
The processing flow of the stator frame is as follows: inner diameter machining of the part where the stator core is inserted, welding with the stator core and the iron core restraint, distortion removal after welding, mounting part to the carriage and fitting part with each part. The procedures such as processing were complicated and the production was complicated.
The present invention was devised in view of the above points, and the object of the present invention is to change the configuration of the stator frame, thereby eliminating the processing complexity and improving the productivity of the stator core. It is to provide a stator frame.

  That is, the means for achieving the object is to cover the outer diameter side and the side surface of the stator core in the configuration of the stator core and the stator frame in the main motor installed in the bogie of the vehicle. And the stator frame integrally cast including the attachment portion to the carriage. Furthermore, by forming a caster stator frame so as to cover the stator core, the processing procedure can be improved by assembling the core, casting the stator frame in the core assembly, removing the distortion, It is to be able to change to a procedure of processing a fitting portion with each part.

  As described above, according to the present invention, it is possible to provide a stator core with a cast stator frame that eliminates processing complexity by using a stator core having a stator frame cast so as to cover the stator core. Because it is possible, it is highly practical.

  1 and 3 are explanatory views showing an embodiment of the present invention. 1 and 3, 1 is an iron core plate, 2 is a stator frame, 3 is an iron core holding member, and 4 is a groove provided on the outer periphery of the iron core plate. 2 denote parts having the same configuration and function.

  1 and 3, an iron core assembly is formed by providing iron core restraints 3 on both sides of the laminated iron core plate 1 and welding the outer peripheral welding grooves. There are a plurality of grooves 4 provided on the outer periphery of the iron core plate, half of which are used for welding, and the other half functions as a guide for preventing the iron core assembly from slipping inside the stator frame 2. The stator frame 2 integrally cast including the mounting portion to the carriage so as to cover the outer diameter side and the side surface of the iron core assembly is a portion that enters into the groove 4 provided on the outer periphery of the iron core plate as shown in FIG. Are also integrally formed.

It is explanatory drawing which shows the Example of this invention. It is explanatory drawing which shows an example of the past. It is explanatory drawing which shows the longitudinal cross-section of the Example of this invention.

Explanation of symbols

1 Iron core plate 2 Stator frame 3 Iron core restraint 4 Groove provided on the outer periphery of the iron core plate

Claims (1)

  In the configuration of the stator core and the stator frame in the main motor installed in the bogie of the vehicle, including the attachment portion to the bogie so as to cover the outer diameter side and the side surface of the stator core A stator core with a cast fixed frame, characterized by comprising the cast stator frame.

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